- 163 -
4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.14 Camera trouble
Camera control signals are generated by ZORAN (Multimedia Chip) and directly connected with
ZORAN.
KC910 has two cameras. The one is a 8 Mega Camera, the other is VGA camera.
No
Camera is OK?
Check the ca mera conn. and
rec onnect the camera
Change the SUB PMIC (U600)
Camera is OK
Check MMP_ CAM_PCLK
Change th e Camera & FPCB
Yes
NO
NO
Yes
(CN601)
Chang e the Main board
End
Yes
End
NO
8M START
ZORAN Out put Sign al Check
(SUB_PM_2.7V)
Yes
NO
Check Mas ter Cloc k
8M_CAM_MCLK
(CN601)
Yes
Change t he Analo g Switch (U601, U602)
NO
Yes
Check t he EMI/ESD Filte r
(FL600, FL601)
Yes
No
Change th e Filter
C
C
Check CA M_VDD_CORE_1.2V,
AM_VDD_AF_2.7V, CAM_VDD_SA_2,7V
AM_VDD_IO_2.7V, CAM_VDD_SD_1.8V